Verbal Reasoning - Mental Ability Questions

A series is given, with one number missing. Choose the correct alternative from the given ones that will complete the series.

0.05, -0.1, ? , -0.4, 0.8

A series is given with one term missing. Choose the correct alternative from the given ones that will complete the series.

15, 26, 48, 81, 125, ?

A series is given with one term missing. Select the correct alternative from the given ones that will complete the series.
FU, LO, RI, ?

A series is given with one term missing. Choose the correct alternative from the given ones that will complete the series.

SQ, R, XV, W, IK, ?

A man looks at a portrait and says, " She is my Father-in-law's only grand-daughter". How is the girl in the portrait related to this man's wife?

In the following question, select the related letter pair from the given alternatives. MOK : KLG : : ? : ?

From the given alternatives, select the word which CANNOT be formed using the letters of the given word.

Expenditure

The weights of 4 boxes are 100, 90, 80 and 40 kilograms. Which of the following cannot be the total weight, in kilograms, of any combination of these boxes and in a combination a box can be used only once?